/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */
package org.apache.mina.filterchain;

/**
 * Chain controller used by a filter for calling the next filter in read order.
 *  
 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
 *
 */
public interface ReadFilterChainController {

    /**
     * Push the message to the next filter. Transformed or not.
     * @param message the message to push to the next filter.
     */
    void callReadNextFilter(Object message);

    /**
     * Write a message back to the session starting from this filter instead of walking thru the whole filter chain.
     * @param message the message to be written
     */
    void callWriteMessageForRead(Object message);
}
